Anisotropy of thermal transport in phosphorene: A comparative first-principles study using different exchange-correlation functional

Anisotropy of thermal transport in phosphorene: A comparative first-principles study using different exchange-correlation functional
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磷烯中热传输的各向异性:使用不同交换相关函数的比较第一性原理研究

DOI:
10.1039/d2ma00407k
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发表时间:
2021-08
期刊:
影响因子:
5
通讯作者:
Guangzhao Qin
Guangzhao Qin
中科院分区:
--
文献类型:
--
作者:
Fa Zhang;Xiong Zheng;Huimin Wang;Liang Ding;Guangzhao Qin

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随着磷分子在纳米、光电和热电等领域应用的日益广泛,有必要对其热输运性质进行全面的研究。从以前的研究中可以得出结论,理论预测的单层磷烯的热导率存在巨大的差异和不确定性,这通常归因于XC官能团的选择。然而,尽管在第一性原理计算中官能团的选择对于预测磷烯的热导率特别重要,但没有对这个问题进行全面的研究,这是不清楚的,也是该领域的空白。因此,本研究的目的是探讨不同XC功能对磷烯的热输运性质的影响。
With the increasing applications of Phosphorene in nano/optoelectronics and thermoelectrics, a comprehensive study on its thermal transport properties is necessary. It has been concluded from previous studies that there exist vast differences and uncertainty in the theoretically predicted thermal conductivity of single-layer phosphorene, which is generally attributed to the selection of XC functionals. However, even though the selection of functional groups in the first-principles calculations is particularly essential for predicting the thermal conductivity of phosphorene, there is no comprehensive investigation on this issue, which is unclear and is a gap in the field. Thus, the goal of this study is to investigate the effects of different XC functions on the thermal transport properties of phosphorene.
DOI: --
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